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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsDSURIContentListener_h__
#define nsDSURIContentListener_h__
#include "nsCOMPtr.h"
#include "nsIURIContentListener.h"
#include "nsWeakReference.h"
#include "nsITimer.h"
class nsDocShell;
class nsIInterfaceRequestor;
class nsIWebNavigationInfo;
class nsPIDOMWindowOuter;
// Helper Class to eventually close an already opened window
class MaybeCloseWindowHelper final : public nsITimerCallback {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSITIMERCALLBACK
explicit MaybeCloseWindowHelper(
mozilla::dom::BrowsingContext* aContentContext);
/**
* Closes the provided window async (if mShouldCloseWindow is true) and
* returns a valid browsingContext to be used instead as parent for dialogs or
* similar things.
* In case mShouldCloseWindow is true, the final browsing context will be the
* a valid new chrome window to use. It can be the opener, or the opener's
* top, or the top chrome window.
*/
mozilla::dom::BrowsingContext* MaybeCloseWindow();
void SetShouldCloseWindow(bool aShouldCloseWindow);
protected:
~MaybeCloseWindowHelper();
private:
already_AddRefed<mozilla::dom::BrowsingContext> ChooseNewBrowsingContext(
mozilla::dom::BrowsingContext* aBC);
/**
* The dom window associated to handle content.
*/
RefPtr<mozilla::dom::BrowsingContext> mBrowsingContext;
/**
* Used to close the window on a timer, to avoid any exceptions that are
* thrown if we try to close the window before it's fully loaded.
*/
RefPtr<mozilla::dom::BrowsingContext> mBCToClose;
nsCOMPtr<nsITimer> mTimer;
/**
* This is set based on whether the channel indicates that a new window
* was opened, e.g. for a download, or was blocked. If so, then we
* close it.
*/
bool mShouldCloseWindow;
};
class nsDSURIContentListener final : public nsIURIContentListener,
public nsSupportsWeakReference {
friend class nsDocShell;
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIURICONTENTLISTENER
protected:
explicit nsDSURIContentListener(nsDocShell* aDocShell);
virtual ~nsDSURIContentListener();
void DropDocShellReference() {
mDocShell = nullptr;
mExistingJPEGRequest = nullptr;
mExistingJPEGStreamListener = nullptr;
}
protected:
nsDocShell* mDocShell;
// Hack to handle multipart images without creating a new viewer
nsCOMPtr<nsIStreamListener> mExistingJPEGStreamListener;
nsCOMPtr<nsIChannel> mExistingJPEGRequest;
// Store the parent listener in either of these depending on
// if supports weak references or not. Proper weak refs are
// preferred and encouraged!
nsWeakPtr mWeakParentContentListener;
nsIURIContentListener* mParentContentListener;
};
#endif /* nsDSURIContentListener_h__ */